Home / 1,556.08-2,334.06-631.66

Finding the Fourth Proportional to 1,556.08, 2,334.06 and 631.66

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Solution

The fourth proportional to 1,556.08, 2,334.06 and 631.66 is: 947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.08 : 2,334.06 = 631.66 : x
  2. Step 2: Convert to fraction form
    1,556.08/2,334.06 = 631.66/x
  3. Step 3: Cross multiply
    1,556.08x = 2,334.06 × 631.66
  4. Step 4: Simplify right side
    1,556.08x = 1,474,332.34
  5. Step 5: Solve for x
    x = 1,474,332.34/1,556.08
  6. Step 6: Final answer
    x = 947.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.